# File lib/phusion_passenger/classic_rails/request_handler.rb, line 47
        def process_request(headers, input, output, status_line_desired)
                # FIXME: how to print status line?
                headers[CONTENT_LENGTH] = headers[HTTP_CONTENT_LENGTH]
                cgi = CGIFixed.new(headers, input, output)
                ::Dispatcher.dispatch(cgi,
                        ::ActionController::CgiRequest::DEFAULT_SESSION_OPTIONS,
                        cgi.stdoutput)
        end